6-Week Treasury Bill Auction Results
Results of every 6-week Treasury bill auction from Oct 21, 2025 to Oct 13, 2026 (52 auctions), from the U.S. Treasury Fiscal Data API. The latest 6-week Treasury bill auction, on Oct 13, 2026, produced a high investment rate of 4.055% (+3.7 bp vs the prior auction on Oct 6, 2026), with a bid-to-cover ratio of 2.58.
U.S. Treasury securities: not FDIC-insured · not bank deposits · market value can change before maturity
- Latest high investment rate4.055%
- Low in this period3.624%
- High in this period4.055%
- Auctions on file52 since
Upcoming 6-week Treasury bill auctions
| Auction date | Security | Term | CUSIP | Offering amount | Issue date | Status | Source |
|---|---|---|---|---|---|---|---|
| Bill (reopening) | 6-Week | 912797VA2 | $95 billion | Announced | announcement PDF | ||
| Bill (reopening) | 6-Week | 912797VG9 | not yet announced | Tentative | Fiscal Data API |
Source: U.S. Treasury, Bureau of the Fiscal Service — Upcoming Auctions and Treasury Securities Auctions Data (Fiscal Data API), retrieved 2026-10-16 23:44 CDT. “Tentative” = on the Treasury schedule, offering announcement pending, so no amount yet; dates and amounts are set by Treasury and can change.
6-Week Treasury Bill auction history
| Auction date | Security | Term | CUSIP | Headline rate | Bid-to-cover | Change vs prior same-term | Source |
|---|---|---|---|---|---|---|---|
| Bill (reopening) | 6-Week | 912797SU2 | 4.055% inv. rate | 2.58 | +3.7 bp vs Oct 6 | results PDF | |
| Bill (reopening) | 6-Week | 912797UZ8 | 4.018% inv. rate | 2.78 | −2.6 bp vs Sep 29 | results PDF | |
| Bill (reopening) | 6-Week | 912797UY1 | 4.044% inv. rate | 2.82 | +10.2 bp vs Sep 22 | results PDF | |
| Bill (reopening) | 6-Week | 912797UM7 | 3.942% inv. rate | 3.03 | +2.1 bp vs Sep 15 | results PDF | |
| Bill (reopening) | 6-Week | 912797SK4 | 3.921% inv. rate | 3.16 | +11.2 bp vs Sep 8 | results PDF | |
| Bill (reopening) | 6-Week | 912797UL9 | 3.809% inv. rate | 2.93 | +0.6 bp vs Sep 1 | results PDF | |
| Bill (reopening) | 6-Week | 912797UK1 | 3.803% inv. rate | 2.85 | +8.6 bp vs Aug 25 | results PDF | |
| Bill (reopening) | 6-Week | 912797UJ4 | 3.717% inv. rate | 2.71 | +0.6 bp vs Aug 18 | results PDF | |
| Bill (reopening) | 6-Week | 912797SA6 | 3.711% inv. rate | 2.97 | −2.6 bp vs Aug 11 | results PDF | |
| Bill (reopening) | 6-Week | 912797UH8 | 3.737% inv. rate | 2.93 | +3.1 bp vs Aug 4 | results PDF | |
| Bill (reopening) | 6-Week | 912797UG0 | 3.706% inv. rate | 2.93 | −6.2 bp vs Jul 28 | results PDF | |
| Bill (reopening) | 6-Week | 912797UF2 | 3.768% inv. rate | 2.93 | +5.1 bp vs Jul 21 | results PDF | |
| Bill (reopening) | 6-Week | 912797RS8 | 3.717% inv. rate | 2.79 | +1.1 bp vs Jul 14 | results PDF | |
| Bill (reopening) | 6-Week | 912797TY3 | 3.706% inv. rate | 2.84 | +0.5 bp vs Jul 7 | results PDF | |
| Bill (reopening) | 6-Week | 912797TX5 | 3.701% inv. rate | 2.74 | −2.1 bp vs Jun 30 | results PDF | |
| Bill (reopening) | 6-Week | 912797TW7 | 3.722% inv. rate | 2.71 | +3.6 bp vs Jun 23 | results PDF | |
| Bill (reopening) | 6-Week | 912797RG4 | 3.686% inv. rate | 2.91 | +2.1 bp vs Jun 16 | results PDF | |
| Bill (reopening) | 6-Week | 912797TQ0 | 3.665% inv. rate | 3.12 | 0.0 bp vs Jun 9 | results PDF | |
| Bill (reopening) | 6-Week | 912797TP2 | 3.665% inv. rate | 3.25 | −2.6 bp vs Jun 2 | results PDF | |
| Bill (reopening) | 6-Week | 912797TN7 | 3.691% inv. rate | 3.28 | +0.5 bp vs May 26 | results PDF | |
| Bill (reopening) | 6-Week | 912797RF6 | 3.686% inv. rate | 2.71 | +4.1 bp vs May 19 | results PDF | |
| Bill (reopening) | 6-Week | 912797TF4 | 3.645% inv. rate | 3.01 | −3.6 bp vs May 12 | results PDF | |
| Bill (reopening) | 6-Week | 912797TE7 | 3.681% inv. rate | 2.80 | +2.1 bp vs May 5 | results PDF | |
| Bill (reopening) | 6-Week | 912797TD9 | 3.660% inv. rate | 3.07 | +0.5 bp vs Apr 28 | results PDF | |
| Bill (reopening) | 6-Week | 912797QX8 | 3.655% inv. rate | 3.14 | −2.1 bp vs Apr 21 | results PDF | |
| Bill (reopening) | 6-Week | 912797SX6 | 3.676% inv. rate | 2.88 | −2.0 bp vs Apr 14 | results PDF | |
| Bill (reopening) | 6-Week | 912797SW8 | 3.696% inv. rate | 3.04 | +1.5 bp vs Apr 7 | results PDF | |
| Bill (reopening) | 6-Week | 912797SV0 | 3.681% inv. rate | 3.57 | −3.0 bp vs Mar 31 | results PDF | |
| Bill (reopening) | 6-Week | 912797QN0 | 3.711% inv. rate | 2.89 | +1.0 bp vs Mar 24 | results PDF | |
| Bill (reopening) | 6-Week | 912797SP3 | 3.701% inv. rate | 2.98 | 0.0 bp vs Mar 17 | results PDF | |
| Bill (reopening) | 6-Week | 912797SN8 | 3.701% inv. rate | 3.02 | 0.0 bp vs Mar 10 | results PDF | |
| Bill (reopening) | 6-Week | 912797SM0 | 3.701% inv. rate | 2.98 | −0.5 bp vs Mar 3 | results PDF | |
| Bill (reopening) | 6-Week | 912797QD2 | 3.706% inv. rate | 2.88 | +0.5 bp vs Feb 24 | results PDF | |
| Bill (reopening) | 6-Week | 912797SL2 | 3.701% inv. rate | 2.82 | −0.5 bp vs Feb 17 | results PDF | |
| Bill (reopening) | 6-Week | 912797SD0 | 3.706% inv. rate | 2.75 | +0.5 bp vs Feb 10 | results PDF | |
| Bill (reopening) | 6-Week | 912797SC2 | 3.701% inv. rate | 2.96 | −0.5 bp vs Feb 3 | results PDF | |
| Bill (reopening) | 6-Week | 912797PV3 | 3.706% inv. rate | 2.83 | +0.5 bp vs Jan 27 | results PDF | |
| Bill (reopening) | 6-Week | 912797SB4 | 3.701% inv. rate | 2.64 | +0.5 bp vs Jan 20 | results PDF | |
| Bill (reopening) | 6-Week | 912797RV1 | 3.696% inv. rate | 2.42 | +4.6 bp vs Jan 13 | results PDF | |
| Bill (reopening) | 6-Week | 912797RU3 | 3.650% inv. rate | 2.97 | +2.6 bp vs Jan 6 | results PDF | |
| Bill (reopening) | 6-Week | 912797PM3 | 3.624% inv. rate | 2.89 | −1.5 bp vs Dec 30 | results PDF | |
| Bill (reopening) | 6-Week | 912797RT6 | 3.639% inv. rate | 2.96 | −0.6 bp vs Dec 23 | results PDF | |
| Bill (reopening) | 6-Week | 912797RL3 | 3.645% inv. rate | 2.87 | −4.6 bp vs Dec 16 | results PDF | |
| Bill (reopening) | 6-Week | 912797RK5 | 3.691% inv. rate | 2.73 | −2.6 bp vs Dec 9 | results PDF | |
| Bill (reopening) | 6-Week | 912797PD3 | 3.717% inv. rate | 2.89 | −5.1 bp vs Dec 2 | results PDF | |
| Bill (reopening) | 6-Week | 912797RJ8 | 3.768% inv. rate | 3.15 | −15.3 bp vs Nov 25 | results PDF | |
| Bill (reopening) | 6-Week | 912797RH2 | 3.921% inv. rate | 2.71 | −0.1 bp vs Nov 18 | results PDF | |
| Bill (reopening) | 6-Week | 912797RA7 | 3.922% inv. rate | 2.80 | −4.0 bp vs Nov 10 | results PDF | |
| Bill (reopening) | 6-Week | 912797NU7 | 3.962% inv. rate | 2.70 | −1.0 bp vs Nov 4 | results PDF | |
| Bill (reopening) | 6-Week | 912797QZ3 | 3.972% inv. rate | 2.67 | +2.0 bp vs Oct 28 | results PDF | |
| Bill (reopening) | 6-Week | 912797QY6 | 3.952% inv. rate | 2.87 | −6.1 bp vs Oct 21 | results PDF | |
| Bill (reopening) | 6-Week | 912797QS9 | 4.013% inv. rate | 2.93 | — | results PDF |
Source: U.S. Treasury Fiscal Data API, Treasury Securities Auctions Data, retrieved 2026-10-16 23:44 CDT; each row links to the official TreasuryDirect results PDF. Bills: investment rate (bond-equivalent) and discount rate. Notes/bonds: high yield and coupon. TIPS: high real yield (before inflation adjustment). FRNs: high discount margin. bp = basis points (0.01 percentage point). Change compares the headline rate with the prior auction of the same security type and term.
Download: 6-week-bill.csv
Related
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